7.9A Characteristics of the Solar System

Front

What is the area that deflects and traps harmful particles from solar wind?

Back

Magnetosphere

Front

What is the mass of air surrounding Earth, primarily composed of nitrogen and oxygen?

Back

Atmosphere

Front

What is necessary for a planet to hold an atmosphere?

Back

Sufficient gravity.

Front

What does ozone block to support life on Earth?

Back

Ultraviolet light.

Front

What characteristic of a planet most influences its temperature for supporting life?

Back

Distance from the Sun.

Front

What is the primary gas in Earth's atmosphere?

Back

Nitrogen (78%).

Front

What is the second most abundant gas in Earth's atmosphere?

Back

Oxygen (21%).

Front

What is the role of the Sun in the solar system?

Back

It provides radiant energy necessary for life.

Front

What is solar wind?

Back

Charged plasma emitted by the Sun.

Front

What is the significance of Earth's magnetic field?

Back

It protects the planet from solar and cosmic radiation.